Creeping Knotgrass, Polygonum chamaechyton Family: Polygonaceae
Creeping Knotgrass   *   Polygonum chamaechyton (P. humifusum)



Part of the Polygonum aviculare group.

Stems remaining prostrate, +/- ridged.
Heterophyllus, leaves 7-12 x 1.5-2.5mm and 15-20 x 4-5mm.
Long internodes, usually 15-30(-50)mm. Perianth lobed to 1/3 to 1/2.
Buds usually deep rose-pink

Can be variable - leaves either narrow and acute or broader and obtuse



Creeping Knotgrass, Polygonum chamaechyton

Creeping Knotgrass, Polygonum chamaechyton

Creeping Knotgrass, Polygonum chamaechyton
Creeping Knotgrass, Polygonum chamaechyton
Photographs: Kingston Lacy, Dorset. September 2020

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